diff --git a/receiver/src/receiver_config.h b/receiver/src/receiver_config.h
index 654133b48b425296c3d17d525bd4f57601db5eaa..0a195650649e04948d03ec865307fb6a6d2c121b 100644
--- a/receiver/src/receiver_config.h
+++ b/receiver/src/receiver_config.h
@@ -30,7 +30,7 @@ struct ReceiverConfig {
     ReceiverMetricsConfig metrics;
     std::string discovery_server;
     KafkaClientConfig kafka_config;
-    uint64_t max_num_persisted_streams;
+    uint64_t max_num_persisted_streams = 0;
 };
 
 class ReceiverConfigManager {